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W IMeasure the insulation across one of the
soldered terminals of the rotor and the core. =
(FigAl-6)
If insulation is bad, replace rotor with a new
one.
Fig. 11-6
11-2 AC VOLTAGE IS TOO HIGH OR TOO LOW
11-2-l CHECKING ENGINE SPEED
If the engine speed is too high or too low, adjust it
to the rated r.p.m.
[How to adjust engine r.p.m.1
W Loosen the lock nut on the adjusting screw.
W Turn the adjusting screw clockwise to de-
crease engine speed or counter-clockwise to
increase engine speed.
Normal engine speed at no load is :
3100 - 3150 r.p.m. for 5OHz type
3700 - 3750 r.p.m. for 60Hz type
11-2-2 CHECKING CONDENSER
Check condenser referring to Step 11-1-l.
11-2-3 CHECKING STATOR
Check stator referring to Step 11-1-2.
1 l-2-4 CHECKING ROTOR
a
Check rotor referring to Step 11-1-3.
- 71 -
‘\
- RtSX1800,2400,3!500 1
i ADJUSTING BOLT
~RGX5500 1
Fig. 11-7
L